Viruses called bacteriophages can infect and set in motion a genetic

... single-stranded RNA. • Are organized as single nucleic acid molecules that are either linear or circular. • May have as few as four genes or as many as several hundred. CAPSID AND ENVELOPE. • Capsid: ... method: Bacteriophages. • Living animals: Animal viruses. • Embryonated eggs: Animal viruses. • Cell cultures: Animal viruses (CPE). • Primary cell lines, Diploid cell lines,...

Ngày tải lên: 15/03/2014, 13:06

... they are also used as aromatics. Because of their pharmacological e ect, alkyl nitrites are being abused as uncontrolled inhalant drugs and causing a social problem [4]. Although there are many ... specimen). In principle, the sampling, extraction and GC analysis should be made at low temperature, in a gastight state and in a short time.  is method is applicable to oth...

Ngày tải lên: 18/10/2013, 00:15

... dichloromethane layers are combined and dehydrated by adding anhydrous Na 2 SO 4 .  e clear dichloromethane solution is transferred to a glass vial and carefully evaporated to dryness under a stream ... of VX in humans; there are only estimated values based on the experimental GC/MS analysis for DAEMS in serum. (a) a total ion chromatogram (TIC) and a mass chromato- gram...

Ngày tải lên: 18/10/2013, 00:15

... resin of the cannabis plant. Since the main component of cannabis, ∆ 9 -tetrahydrocannabi- nol ( ∆ 9 -THC), has various psychopharmacological e ects including hallucination, the can- nabis and ... of cannabinoids in plant specimens a Reagents and their preparation • Extraction and puri cation of cannabinoids [3]: Cannabis sativa L. is being grown at Hokuriku University, Faculty...

Ngày tải lên: 24/10/2013, 19:15

... concentrations 206 Morphine and its analogues 8) Matsubara K, Fukushima S, Akane A et al. (1992) Increased urinary morphine, codeine and tetrahydropapavero- line in Parkinsonian patient undergoing L-3,4-dihydroxyphenylalanine ... pp 230–234 (in Japanese) 196 Morphine and its analogues Main metabolic pathways of morphine, heroin and codeine. The thick and thin arrows show the m...

Ngày tải lên: 24/10/2013, 19:15

... methemoglobinemia be- comes severe, it causes cyanosis, headache, easy fatigability, respiratory and conciousness dis- turbances and  nally death.  e fatal methemoglobinemia is rare, but fatal ones a ... GC. vi. Various known amounts of nitrate and a  xed amount of IS are added to blank specimens and processed in the same way to construct a calibration curve.  e peak area...

Ngày tải lên: 24/10/2013, 19:15

... 332 alprazolam 284, 285, 290 alternative specimens 9 Amanita neoovoidea 480 Amanita pantherina 469 Amanita phalloides 469 Amanita verna 469, 474 Amanita virosa 469, 473 amanitin 473, 477, 479 amido-type ... 443 cannabichromene 189 cannabidiol 187 cannabinoids 187 cannabinol 187 cannabis 187 Cannabis sativa L. 187 Capcell Pak C 18 MG 293 Capcell Pak C 18 UG-80 259 Capcell Pak SCX 231 capilla...

Ngày tải lên: 24/10/2013, 19:15

... cocaine was reported to be 5.9 on average for urine sampled 0–1 h a er cocaine inhalation; the ratio was 10.6 on average for urine sampled 0–8 h a er the inhalation.  e ratios increased according ... his ingestion and death. In addi- tion, the ratios of cocaine to BE in blood and in the brain, and the brain-to-blood ratios of cocaine and BE were compared with those describ...

Ngày tải lên: 29/10/2013, 01:15

... the calibration curve, which is composed of pen- 221 tazocine concentration in the horizontal axis and peak area ratio of pentazocine to IS in the vertical axis.  e peak area ratio of a test ... commercially avail- able. ii. Preparation • Pentazocine and dextromethorphan solutions: the drugs are separately dissolved in appro- priate amount of methanol; a 10–20 µL aliquot was...

Ngày tải lên: 29/10/2013, 02:15

... tract is rapid and distinct visual hallucination takes place 45 min–1 h a er oral intake of about 20 µg of LSD [1].  e hallucination becomes most marked 2–3 h a er the intake and lasts for ... 8–12 h. In this chapter, a detection method by TLC and con rmatory analysis by GC/MS for LSD are presented. Reagents and their preparation • LSD can be obtained from each local bur...

Ngày tải lên: 08/11/2013, 01:15